99109011 has 4 divisors (see below), whose sum is σ = 132145352. Its totient is φ = 66072672.

The previous prime is 99108991. The next prime is 99109027. The reversal of 99109011 is 11090199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11090199 = 3 ⋅3696733.

It is not a de Polignac number, because 99109011 - 2²² = 94914707 is a prime.

It is a super-2 number, since 2×99109011² = 19645192122796242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99109011.

It is not an unprimeable number, because it can be changed into a prime (99109091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16518166 + ... + 16518171.

It is an arithmetic number, because the mean of its divisors is an integer number (33036338).

Almost surely, 2^99109011 is an apocalyptic number.

99109011 is a deficient number, since it is larger than the sum of its proper divisors (33036341).

99109011 is a wasteful number, since it uses less digits than its factorization.

99109011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33036340.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 99109011 is about 9955.3508727719. The cubic root of 99109011 is about 462.7762339117.

The spelling of 99109011 in words is "ninety-nine million, one hundred nine thousand, eleven".